package com.blog.study.study1;

/**
 * StringBuffer测试类.
 *
 * @author 张俊强~.
 * @date 2017/11/3-11:46.
 */
public class StringBufferDemo {

    public static void main(String[] args) {
        Integer a=new Integer(100);
        Integer b=new Integer(100);
        System.out.println(a==b);

        Integer c=200;
        Integer d=200;
        System.out.println(c==d);
    }

}
